"Our message would be that we are a friend, a partner to both countries. We stand ready to support both countries. Both have a huge interest in regional stability, in dialogue, in de-escalation and anything we can do to support that, we are here and willing to do," he told BBC radio.

The Foreign Office advised British nationals against travel within eight kilometres (five miles) of the India-Pakistan border, within 16 kilometres of the Line of Control -- a heavily fortified zone of high-altitude Himalayan outposts that represents the de facto Kashmir border -- and all travel to the southwestern Balochistan province of Pakistan.

"We are continuing to monitor the situation closely. British nationals should stay up to date with our travel advice and follow the advice of local authorities," it added.